Home / 26,486.08-39,745.76-15,385.92

Finding the Fourth Proportional to 26,486.08, 39,745.76 and 15,385.92

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Solution

The fourth proportional to 26,486.08, 39,745.76 and 15,385.92 is: 23,088.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    26,486.08 : 39,745.76 = 15,385.92 : x
  2. Step 2: Convert to fraction form
    26,486.08/39,745.76 = 15,385.92/x
  3. Step 3: Cross multiply
    26,486.08x = 39,745.76 × 15,385.92
  4. Step 4: Simplify right side
    26,486.08x = 611,525,083.70
  5. Step 5: Solve for x
    x = 611,525,083.70/26,486.08
  6. Step 6: Final answer
    x = 23,088.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.